<!DOCTYPE html>

<title>Correct events from short elements</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>

<svg viewBox="0 0 100 50" xmlns="http://www.w3.org/2000/svg">
  <g opacity="0">
    <animate attributeName="opacity" from="0" to="1" begin="0ms;last.end+20ms" dur="10ms" fill="freeze"
      id="first"/>
    <animate attributeName="opacity" from="1" to="0" begin="last.end" dur="1ms" fill="freeze"/>
    <rect x="0" y="0" width="50" height="50" fill="#0F0"/>
  </g>
  <g opacity="0">
    <animate attributeName="opacity" from="1" to="1" begin="first.end+40ms" dur="100ms" fill="freeze"
      id="last" onend="onend_filling()"/>
    <animate attributeName="opacity" from="1" to="0" begin="last.end" dur="1ms" fill="freeze"
      onend="onend_clearing()"/>
    <rect x="50" y="0" width="50" height="50" fill="#0F0"/>
  </g>
</svg>
<script>
  let onend_filling = null;
  let onend_clearing = null;
  async_test(t => {
    var passed = false;
    var end_events = 0;
    onend_filling = t.step_func(() => {
      end_events++;
      if (end_events != 2) return;
      assert_unreached("Should only get one 'end' event");
    });
    // Finished if we get one of these
    onend_clearing = t.step_func_done(() => {});
  });
</script>
